ide: add "initializing" argument to ide_register_hw()

Add "initializing" argument to ide_register_hw() and use it instead of ide.c
wide variable of the same name.  Update all users of ide_register_hw()
accordingly.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-pnp.c

@@ -42,7 +42,7 @@ static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id
 	hw.irq = pnp_irq(dev, 0);
 	hw.dma = NO_DMA;
 
-	index = ide_register_hw(&hw, &hwif);
+	index = ide_register_hw(&hw, 1, &hwif);
 
 	if (index != -1) {
 	    	printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);